Cita APA (7th ed.)
Heffernan, J. A. W. (1986). Instructor's manual: Writing: A college Handbook Writing: A college Workbook (2nd ed.). W.W. Norton & Co..
Cita Chicago (17th ed.)
Heffernan, James A. W. Instructor's Manual: Writing: A College Handbook Writing: A College Workbook. 2nd ed. New York: W.W. Norton & Co., 1986.
Cita MLA (9th ed.)
Heffernan, James A. W. Instructor's Manual: Writing: A College Handbook Writing: A College Workbook. 2nd ed. W.W. Norton & Co., 1986.
Atenció: Aquestes cites poden no estar 100% correctes.